export function export2Excel (columns, list) {
  require.ensure([], () => {
    const { export_json_to_excel } = require("../excel/Export2Excel")
    let tHeader = []
    let filterVal = []
    console.log(columns)
    if (!columns) {
      return
    }
    columns.forEach(item => {
      tHeader.push(item.title)
      filterVal.push(item.key)
    })
    const data = list.map(v => filterVal.map(j => v[j]))
    export_json_to_excel(tHeader, data, "数据列表")
  })
}
